It’s A. I’m currently learning about this in my class at the moment, so I know
Vesicular breathing sounds are result from or are produced because of a person's need of breathing. In order for a person to breathe, gas exchange is needed to have an oxygen to breathe and to regulate the blood flow. To do this, the lungs is needed and with the help of their components namely the aveolar sacs, which enables to fill the air in the lungs, resulting to or producing vesicular breathing.
